CVE-2022-22079

Service interruption via fastboot MMC buffer over-read

Published Jan 6, 2023 · Updated Apr 9, 2025

Buffer over-read in Qualcomm Snapdragon BOOT firmware allows physically proximate attackers to interrupt device operation through fastboot. The MMC fastboot flash handler reads beyond a supplied buffer while processing a crafted flash command. Physical access to the fastboot interface is required; Qualcomm discloses denial of service but not whether the interruption is a hang, crash, or reboot.

CVSS severity4.6
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Qualcomm Snapdragon BOOT firmware allows physically proximate attackers to interrupt device operation through fastboot. The MMC fastboot flash handler reads beyond a supplied buffer while processing a crafted flash command. Physical access to the fastboot interface is required; Qualcomm discloses denial of service but not whether the interruption is a hang, crash, or reboot.

The record

CVE
CVE-2022-22079
Published
Jan 6, 2023
Updated
Apr 9, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-125, T1499
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=APQ8009
  2. Affected versionversion=APQ8009W
  3. Affected versionversion=APQ8064AU
  4. Affected versionversion=APQ8096AU
  5. Affected versionversion=MDM9150
  6. Affected versionversion=MDM9250
  7. Affected versionversion=MDM9628
  8. Affected versionversion=MDM9650
  9. Affected versionversion=MSM8108
  10. Affected versionversion=MSM8208
  11. Affected versionversion=MSM8209
  12. Affected versionversion=MSM8608
  13. Affected versionversion=MSM8909W
  14. Affected versionversion=MSM8996AU
  15. Affected versionversion=QCA4020
  16. Affected versionversion=QCA6174A
  17. Affected versionversion=QCA6564A
  18. Affected versionversion=QCA6564AU
  19. Affected versionversion=QCA6574
  20. Affected versionversion=QCA6574A
  21. Affected versionversion=QCA6574AU
  22. Affected versionversion=QCA6584AU
  23. Affected versionversion=QCA9377
  24. Affected versionversion=QCA9379
  25. Affected versionversion=Qualcomm215
  26. Affected versionversion=SD210
  27. Affected versionversion=SD429
  28. Affected versionversion=SD625
  29. Affected versionversion=SD626
  30. Affected versionversion=SD835
  31. Affected versionversion=SDA429W
  32. Affected versionversion=SDM429W
  33. Affected versionversion=SDW2500
  34. Affected versionversion=SDX20
  35. Affected versionversion=SDX20M
  36. Affected versionversion=WCD9326
  37. Affected versionversion=WCD9335
  38. Affected versionversion=WCN3610
  39. Affected versionversion=WCN3615
  40. Affected versionversion=WCN3620
  41. Affected versionversion=WCN3660B
  42. Affected versionversion=WCN3680
  43. Affected versionversion=WCN3680B
  44. Affected versionversion=WCN3980
  45. Affected versionversion=WCN3990
  46. Affected versionversion=WSA8815

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=APQ8009; version=APQ8009W; version=APQ8064AU; version=APQ8096AU; version=MDM9150; version=MDM9250; version=MDM9628; version=MDM9650; version=MSM8108; version=MSM8208; version=MSM8209; version=MSM8608; version=MSM8909W; version=MSM8996AU; version=QCA4020; version=QCA6174A; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA9377; version=QCA9379; version=Qualcomm215; version=SD210; version=SD429; version=SD625; version=SD626; version=SD835; version=SDA429W; version=SDM429W; version=SDW2500; version=SDX20; version=SDX20M; version=WCD9326; version=WCD9335; version=WCN3610; version=WCN3615; version=WCN3620; version=WCN3660B; version=WCN3680; version=WCN3680B; version=WCN3980; version=WCN3990; version=WSA8815

Published CVSS scores

4.6Qualcomm, Inc.CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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